India experiments with bio toilets for trains

Ensuring a environment friendly journey for passengers as many as three trains running from Varanasi Cantonment Railway Station have received bio-toilets in different coaches. The bio toilets have been fitted in the coaches under a special initiative by Indian Railways started from 2011.

According to chief area manager, Northern Railways, Pradeep Saxena, the coaches have been fitted in Mahanagri Express (11093/11094), Bundelkhand Express (11107/11108) and Varanasi-Lucknow Express (14219/14220). It may be noted here that Bundelkhand Express connecting Varanasi and Gwalior was the first train to get bio-toilets in 2011. While the other two trains received bio toilets recently in last 3 to 4 months.

The work of fixing bio toilets was done under pilot project mode and if it is successful then all the trains will have the facility of bio-toilets. These bio-toilets are fitted below the coach floor underneath the lavatories and the human waste discharged into them is acted upon by a colony of anaerobic bacteria that convert human waste mainly into water and small amount of gases (methane and carbon dioxide).

The gases escape into the atmosphere and waste is discharged after chlorination onto the track. Human waste thus does not fall on the railway track. This is environmentally friendly and will improves the working condition for the railway track staff.

Read the full report here, Times of India


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